Pontiac GTO 2004-2006 The Modern Goat

Too Much Power For Stock Driveshaft??

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Old 07-22-2010, 09:21 AM
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wrp
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Originally Posted by tom's2005gto
I recently threw in the towel, and converted from M6 to a 4L80E
Tom's inspired me. My Monster 11" clutch seems to be holding the power really nicely so I am going to try to stick it out as long as possible.
Old 07-22-2010, 04:15 PM
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Yep, we work with BMR on alot of products these days. You can buy our entire line through BMR as well as many other dealers. There is a link on our web page with our dealers info.

Were having our summer sale this month, $100. off axles, stubs and driveshafts as well as other great deals.

We have a GTO shop car that ran 9.40's almost 2 years ago. It's been tore down for a turbo build the last 2 summers and should be back out this fall to kick some *** at the LSx shootout.

Give us a call if you have any questions @ 316-733-2100 or email gforce1320@gmail.com

Thanks
Chris @ Gforce
Old 08-21-2010, 03:31 AM
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I broke my driveshaft and i'm only putting down 385hp?380tq. Heres a pic![IMG][/IMG]
Old 08-21-2010, 03:33 AM
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and another pic!!! This is the only thing I broke in the drivetrain.[IMG][/IMG]
Old 08-21-2010, 01:39 PM
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Once you go with chris's big black shaft you wont ever look back
Old 08-21-2010, 02:01 PM
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Originally Posted by wrp
Over a period of 5 years + here is the carnage on my drivetrain.
  1. Broke Clutch (OEM)
  2. Broke Clutch (Spec)
  3. Smurfed up shifting forks
  4. Broke Clutch (Tex)
  5. Bent Tranny Mainshaft
  6. Broke Clutch (Tex)
  7. Broke Slave Cylinder
  8. Bent Tranny Mainshaft
  9. Broke Clutch (LS7)
  10. Broke synchronizers/Blockers
  11. Broke Driveshaft
  12. Broke Clutch (Tex)
  13. Broke stub
  14. Broke stub
  15. Installed Monster Clutch
  16. Broke Aftermarket high speed unbreakable Driveshaft
  17. Went back to OEM
  18. Tripled RWHP/RWTQ
  19. Installed GForce1320 CF DS
So what clutch are you running now and how is it holding up?
Old 08-23-2010, 09:28 PM
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If you are going to replace your DS buy one from Gforce1320. Only person I'd buy one from.
Old 08-25-2010, 05:53 PM
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Originally Posted by Fatbum
If you are going to replace your DS buy one from Gforce1320. Only person I'd buy one from.
I agree!

Here is a pic of my big black carbon fiber Gforce1320 driveshaft. You do need to grind down the seat belt bolts and cut of an exhaust hanger for clearance.

Old 08-25-2010, 10:12 PM
  #29  
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i guess i am just lucky then i make over 600whp on my 04 and run 26x11.5 et streets at the track and have had no prob's at all...
Old 09-10-2010, 12:23 AM
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Originally Posted by spool'n_gto
i guess i am just lucky then i make over 600whp on my 04 and run 26x11.5 et streets at the track and have had no prob's at all...
How did you fit that big of tire under there? I need to upgrade and have been looking at different setups.
Old 09-10-2010, 12:41 AM
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Originally Posted by spool'n_gto
i guess i am just lucky then i make over 600whp on my 04 and run 26x11.5 et streets at the track and have had no prob's at all...
How did you fit that big of wheel/tire under there? I need to upgrade and have been looking at different setups.
Old 09-10-2010, 06:52 AM
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Originally Posted by Tony's 06
So what clutch are you running now and how is it holding up?
Running the Monster 11" single. got about 2,000 miles on it thus far with no issues. Haven't tracked it (the car) yet but have a bunch of dyno passes trying to tune it. The single disk is holding so well I have delayed getting one of their new twin disk clutches. Making 800/800 ish.
Old 09-10-2010, 09:02 AM
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I've ran piles of quarter mile passes and so many 1.4-1.5 60 foots including a pile of 10 second and 1 9 second pass on the stock drive shaft. Granted my car is an auto and that seems to help for some reason.

I don't think the stock driveshaft is weak. But I was tempted to buy a CF driveshaft in the search for faster track times. I'm just not convinced that for $1200 shaving MAYBE 3 lbs of weight from a very small diameter will make any measurable gains. And to my knowledge no one has tested one back to back. I still don't have a definate answer on what the stock shaft weighs compared to the CF. However, I'm changing out my converter next weekend and I intend on weighing the stocker.
Old 09-10-2010, 10:24 AM
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I must just be lucky....531hp/625ft lbs on a Mustang Dyno and I have broken dick

I have a DSS Axle in, but not because the axle broke....I sheared the bolts off that fasten the axle to the rearend and we replaced it then

other than that I've been through 6 clutches total (OEM to Competition Clutch's Iron Man while power progressed) and one stub....everything else is completely stock



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